Affiliations: [a] Nortel Networks, 2221 Lakeside Blvd, Richardson, TX 75082, USA | [b] University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083, USA. Tel.: +1 972 684 2705; Fax: +1 972 685 3207; E-mail: emadq@nortelnetworks.com | [c] Computer Science Program, University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083, USA. Tel.: +1 972 883 2289; Fax: +1 972 883 2349; E-mail: ravip@utdallas.edu | [d] Electrical Engineering Program, University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083, USA. Tel.: +1 972 883 2197; Fax: +1 972 883 2198; E-mail: tamil@utdallas.edu
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Corresponding author.
Abstract: TCP's congestion control handless packet loss due to congestion in the network. Over wireless links, packet loss may also be due to signal fading. Wireless LAN traffic under High Bit Error rate (BER) suffers great throughput degradation due to the current congestion control mechanism. Our algorithm allows TCP to send as much data as possible within a threshold that optimizes throughput while recovering from a high BER on a wireless LAN link. We will refer to the error recovery mechanism as Aggressive Error Recovery (AER) and call the new TCP version as TCP Noor.
